Plasticizer esterification reaction device

Abstract

The utility model relates to the field of plasticizers, in particular to a plasticizer esterification reaction device. Comprising an esterification kettle, a kettle cover is installed at the top of the esterification kettle, a fixing plate is arranged over the kettle cover, an air cylinder is installed at the center of the bottom of the fixing plate, a connecting column is in transmission connection with the output end of the air cylinder, a cavity is formed in the esterification kettle, and a first empty groove is formed in the center of the top of the kettle cover. The bottom of the connecting column penetrates through the first empty groove and then is arranged in the cavity, a storage cavity is formed in the connecting column, a second empty groove is formed in the center of the bottom of the connecting column and communicates with the storage cavity, a motor is arranged in the storage cavity, and the output end of the motor penetrates through the second empty groove and then is in transmission connection with a mounting column. A stirring rod is mounted at the bottom of the mounting column, and stirring blades are arranged on the outer wall of the stirring rod. According to the embodiment, the production cost is reduced while the stirring quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plasticizers, and particularly relates to a plasticizer esterification reaction device. Background Art

[0002] As we all know, plasticizers are substances added during the processing of rubber, plastic, coating and other polymers to increase their plasticity, fluidity and make the finished products flexible. They are essential additives in the plastics industry. my country's annual production capacity has reached 2.8 million tons, making it the world's largest producer and consumer, and continues to grow. Among them, phthalates and terephthalates account for more than 90%, but studies have shown that phthalates plasticizers are potentially carcinogenic, and green plasticizers such as epoxy oils and citrates are difficult to meet the huge market demand in the short term in terms of output, so in the future, phthalates will still be the main product on the market.

[0003] After searching, in the prior art, Chinese patent announcement number: CN207478579U, authorization announcement date: 2017-11-10, discloses a plasticizer esterification reaction device, including an esterification reaction device body, a heating device is arranged at the bottom of the esterification reaction device body, the heating device includes a fixed ring plate, a socket and a limit hole, the fixed ring plate is fixedly connected to the fixed groove of the inner wall of the esterification reaction device body, a socket is arranged between the upper and lower plate surfaces of the fixed ring plate, the socket is symmetrically arranged with the limit hole about the center of the fixed ring plate, a heating rod is connected between the socket and the limit hole, and the heating rod The device comprises a heat-conducting pipe, a heat-insulating block and a connecting rod. Both ends of the heat-conducting pipe are connected with heat-insulating blocks. The outer sides of the two heat-insulating blocks are provided with connecting rods. One end of the connecting rod is plugged into a socket through a plug provided at the top. The other end of the connecting rod is clamped inside a limiting hole. A stirring device is provided at the top of the heating device. The stirring device comprises a driving motor, a rotating shaft and a spiral stirring rod. The driving motor is connected to the top of the esterification reaction device body, and the power output end of the driving motor is transmission-connected with the rotating shaft. The bottom end of the rotating shaft is provided with a spiral stirring rod. A feed port and a gas pipe are provided at the top of the esterification reaction device body. The heating rod of the above embodiment will not burn other devices when heating the liquid.

[0004] However, the device still has the following defects: the above embodiment cannot fully stir the plasticizer during the esterification reaction. If it cannot be fully stirred, the stirring quality will be reduced and the production cost will be increased. Utility Model Content

[0005] In view of the above problems, the utility model provides a plasticizer esterification reaction device, including an esterification kettle, a kettle cover is installed on the top of the esterification kettle, two groups of vertical plates are symmetrically installed at the top center of the kettle cover, a fixed plate is arranged directly above the kettle cover, the tops of the two groups of vertical plates are both installed at the bottom edge of the fixed plate, a cylinder is installed at the bottom center of the fixed plate, a connecting column is connected to the output end of the cylinder in a transmission manner, a cavity is opened in the esterification kettle, a first empty slot is opened at the top center of the kettle cover, and the bottom of the connecting column passes through the first empty slot and is placed in the cavity;

[0006] A storage cavity is provided in the connecting column, a second slot is provided at the center of the bottom of the connecting column, the second slot is communicated with the storage cavity, a motor is provided in the storage cavity, the output end of the motor passes through the second slot and is transmission-connected to the mounting column, a connecting plate is fixedly sleeved on the outer wall of the mounting column, a group of heating rollers are installed at both ends of the bottom of the connecting plate, a stirring rod is installed at the bottom of the mounting column, and a stirring blade is provided on the outer wall of the stirring rod.

[0007] Furthermore, a feed pipe is connected to the top edge of the kettle cover, and two groups of lifting handles are symmetrically installed on the top edge of the kettle cover, and the two groups of vertical plates are located between the two groups of lifting handles.

[0008] Furthermore, two groups of mounting blocks are symmetrically arranged below the esterification kettle, and a group of protective pads are installed at the bottom of each group of mounting blocks.

[0009] Furthermore, a group of fixing columns are installed at the top center of each group of the mounting blocks, and a group of moving grooves are opened at the top center of each group of the fixing columns.

[0010] Furthermore, a group of electric push rods are installed at the center of the bottom inner wall of each group of the fixed columns, and each group of the electric push rods is located in the movable groove.

[0011] Furthermore, a group of limit blocks are installed on the output end of each group of the electric push rods, and each group of the limit blocks is located in the moving groove.

[0012] Furthermore, a group of moving columns is installed at the top center of each group of the limiting blocks, and the output end of each group of the moving columns passes through the moving groove and is installed at the bottom edge of the esterification kettle.

[0013] Furthermore, two groups of discharge pipes are symmetrically connected at the bottom center of the esterification kettle, and two groups of electric valves are fixedly sleeved on the outer wall of each group of the discharge pipes, and the two groups of electric valves are located below the esterification kettle.

[0014] The beneficial effects of the utility model are:

[0015] 1. When the motor drives the installation column to rotate, it also drives the connecting plate and the stirring rod to rotate. The connecting plate drives the heating roller to move to heat the plasticizer. The stirring rod drives the stirring blades to stir the plasticizer. The cylinder drives the connecting column to move up and down to slide in the first empty slot. The connecting column drives the motor to move up and down and drives the installation column to move up and down at the same time. The installation column drives the connecting plate and the stirring rod to move up and down to fully stir the plasticizer, thereby improving the stirring quality and reducing the production cost.

[0016] 2. By starting the electric push rod, the electric push rod drives the limit block to rise and fall, and at the same time drives the moving column to rise and fall. The moving column rises and falls to drive the esterification kettle to rise and fall. The esterification kettle drives the kettle cover and the discharge pipe to rise and fall, and adjusts to the height required by the staff to facilitate the staff to load and unload materials. It has the effect of adjusting the height, reduces limitations and improves practicality.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The schematic diagram of the structure of the esterification reaction device according to the embodiment of the utility model is shown;

[0020] Figure 2 A cross-sectional schematic diagram of an esterification reaction device according to an embodiment of the utility model is shown;

[0021] Figure 3 A schematic cross-sectional view of a connecting column according to an embodiment of the utility model is shown;

[0022] Figure 4 A cross-sectional schematic diagram of a fixing column according to an embodiment of the utility model is shown.

[0023] In the figure: 1. esterification kettle; 2. kettle cover; 3. feeding pipe; 4. lifting handle; 5. vertical plate; 6. fixing plate; 7. cylinder; 8. connecting column; 9. cavity; 10. first empty slot; 11. storage cavity; 12. second empty slot; 13. motor; 14. mounting column; 15. connecting plate; 16. heating roller; 17. stirring rod; 18. stirring blade; 19. mounting block; 20. protection pad; 21. fixing column; 22. moving slot; 23. electric push rod; 24. limit block; 25. moving column; 26. discharge pipe; 27. electric valve. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The present utility model embodiment provides a plasticizer esterification reaction device, exemplarily, as Figure 1 , Figure 2 and Figure 3 As shown, it includes an esterification kettle 1, a kettle cover 2 is installed on the top of the esterification kettle 1, a feed pipe 3 is connected to the top edge of the kettle cover 2, two groups of lifting handles 4 are symmetrically installed on the top edge of the kettle cover 2, two groups of vertical plates 5 are symmetrically installed at the top center of the kettle cover 2, and the two groups of vertical plates 5 are located between the two groups of lifting handles 4, a fixing plate 6 is arranged directly above the kettle cover 2, the tops of the two groups of vertical plates 5 are both installed at the bottom edge of the fixing plate 6, a cylinder 7 is installed at the bottom center of the fixing plate 6, and a connecting column 8 is transmission-connected on the output end of the cylinder 7, a cavity 9 is opened in the esterification kettle 1, and a There is a first empty slot 10, the bottom of the connecting column 8 passes through the first empty slot 10 and is placed in the cavity 9, a storage cavity 11 is opened in the connecting column 8, a second empty slot 12 is opened at the bottom center of the connecting column 8, the second empty slot 12 is connected to the storage cavity 11, a motor 13 is arranged in the storage cavity 11, the output end of the motor 13 passes through the second empty slot 12 and is connected to the mounting column 14 in a transmission manner, a connecting plate 15 is fixedly sleeved on the outer wall of the mounting column 14, a group of heating rollers 16 are installed at both ends of the bottom of the connecting plate 15, a stirring rod 17 is installed at the bottom of the mounting column 14, and a stirring blade 18 is arranged on the outer wall of the stirring rod 17.

[0026] For example, Figure 1 , Figure 2 and Figure 4As shown, two groups of mounting blocks 19 are symmetrically arranged below the esterification kettle 1, and a group of protective pads 20 are installed at the bottom of each group of mounting blocks 19, and a group of fixing columns 21 are installed at the top center of each group of mounting blocks 19, and a group of moving grooves 22 are opened at the top center of each group of fixing columns 21, and a group of electric push rods 23 are installed at the center of the bottom inner wall of each group of fixing columns 21, and each group of electric push rods 23 are located in the moving grooves 22, and the output end of each group of electric push rods 23 is A group of limit blocks 24 are installed, each group of the limit blocks 24 is located in the moving groove 22, a group of moving columns 25 are installed at the top center of each group of the limit blocks 24, the output end of each group of the moving columns 25 passes through the moving groove 22 and is installed at the bottom edge of the esterification kettle 1, two groups of discharge pipes 26 are symmetrically connected at the bottom center of the esterification kettle 1, two groups of electric valves 27 are fixedly sleeved on the outer wall of each group of the discharge pipes 26, and the two groups of electric valves 27 are located below the esterification kettle 1.

[0027] Working principle: Pour the plasticizer into the feed pipe 3, and enter the cavity 9 through the feed pipe 3. The motor 13 is started. The motor 13 drives the mounting column 14 to rotate, and simultaneously drives the connecting plate 15 and the stirring rod 17 to rotate. The connecting plate 15 drives the heating roller 16 to move to heat the plasticizer, and the stirring rod 17 drives the stirring blade 18 to stir the plasticizer. The cylinder 7 is started, and the cylinder 7 drives the connecting column 8 to rise and fall and slide in the first slot 10. The connecting column 8 drives the motor 13 to rise and fall, and at the same time drives the mounting column 14 to rise and fall. The mounting column 14 drives the connecting plate 15 and the stirring rod 17 to rise and fall, so as to fully stir the plasticizer.

[0028] The electric valve 27 is started, and the plasticizer in the cavity 9 is discharged through the discharge pipe 26. After the discharge is completed, the lifting handle 4 is pulled to drive the kettle cover 2 to rise, and the kettle cover 2 is separated from the esterification kettle 1. The kettle cover can be quickly disassembled, which is convenient for the staff to inspect and clean the equipment.

[0029] By starting the electric push rod 23, the electric push rod 23 drives the limit block 24 to rise and fall, and at the same time drives the moving column 25 to rise and fall, the moving column 25 to rise and fall drives the esterification kettle 1 to rise and fall, and the esterification kettle 1 drives the kettle cover 2 and the discharge pipe 26 to rise and fall, and adjust to the height required by the staff, so that the staff can load and unload materials.

[0030] The motor 13 drives the mounting column 14 to rotate while synchronously driving the connecting plate 15 and the stirring rod 17 to rotate. The connecting plate 15 drives the heating roller 16 to move to heat the plasticizer. The stirring rod 17 drives the stirring blade 18 to stir the plasticizer. The cylinder 7 drives the connecting column 8 to rise and fall and slide in the first slot 10. The connecting column 8 drives the motor 13 to rise and fall while driving the mounting column 14 to rise and fall. The mounting column 14 drives the connecting plate 15 and the stirring rod 17 to rise and fall, so that the plasticizer is fully stirred, thereby improving the stirring quality and reducing the production cost.

[0031] By starting the electric push rod 23, the electric push rod 23 drives the limit block 24 to rise and fall, and at the same time drives the moving column 25 to rise and fall, the moving column 25 to rise and fall drives the esterification kettle 1 to rise and fall, and the esterification kettle 1 drives the kettle cover 2 and the discharge pipe 26 to rise and fall, and adjusts to the height required by the staff to facilitate the staff to load and unload materials, which has the effect of adjusting the height, reduces limitations and improves practicality.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A plasticizer esterification reaction device, comprising an esterification kettle (1), characterized in that: A kettle cover (2) is installed on the top of the esterification kettle (1), two groups of vertical plates (5) are symmetrically installed at the center of the top of the kettle cover (2), a fixed plate (6) is arranged directly above the kettle cover (2), the tops of the two groups of vertical plates (5) are installed at the bottom edge of the fixed plate (6), a cylinder (7) is installed at the center of the bottom of the fixed plate (6), a connecting column (8) is connected to the output end of the cylinder (7) in a transmission manner, a cavity (9) is opened in the esterification kettle (1), a first empty slot (10) is opened at the center of the top of the kettle cover (2), and the bottom of the connecting column (8) passes through the first empty slot (10) and is placed in the cavity (9); A storage cavity (11) is provided in the connecting column (8), a second slot (12) is provided at the center of the bottom of the connecting column (8), the second slot (12) is communicated with the storage cavity (11), a motor (13) is provided in the storage cavity (11), the output end of the motor (13) passes through the second slot (12) and is then connected to a mounting column (14) in a transmission manner, a connecting plate (15) is fixedly sleeved on the outer wall of the mounting column (14), a group of heating rollers (16) are installed at both ends of the bottom of the connecting plate (15), a stirring rod (17) is installed at the bottom of the mounting column (14), and a stirring blade (18) is provided on the outer wall of the stirring rod (17).

2. The plasticizer esterification reaction device according to claim 1, characterized in that: The top edge of the kettle cover (2) is connected to a feed pipe (3), and two groups of lifting handles (4) are symmetrically installed at the top edge of the kettle cover (2), and the two groups of vertical plates (5) are located between the two groups of lifting handles (4).

3. The plasticizer esterification reaction device according to claim 1, characterized in that: Two groups of mounting blocks (19) are symmetrically arranged below the esterification kettle (1), and a group of protective pads (20) are installed at the bottom of each group of mounting blocks (19).

4. The plasticizer esterification reaction device according to claim 3, characterized in that: A group of fixing columns (21) is installed at the top center of each group of the mounting blocks (19), and a group of moving grooves (22) is opened at the top center of each group of the fixing columns (21).

5. The plasticizer esterification reaction device according to claim 4, characterized in that: A group of electric push rods (23) is installed at the center of the bottom inner wall of each group of fixed columns (21), and each group of electric push rods (23) is located in the movable groove (22).

6. The plasticizer esterification reaction device according to claim 5, characterized in that: A set of limit blocks (24) is installed on the output end of each set of electric push rods (23), and each set of limit blocks (24) is located in the moving groove (22).

7. The plasticizer esterification reaction device according to claim 6, characterized in that: A group of moving columns (25) is installed at the top center of each group of the limit blocks (24), and the output end of each group of the moving columns (25) passes through the moving groove (22) and is then installed at the bottom edge of the esterification kettle (1).

8. The plasticizer esterification reaction device according to claim 1, characterized in that: Two groups of discharge pipes (26) are symmetrically connected at the bottom center of the esterification kettle (1), and two groups of electric valves (27) are fixedly sleeved on the outer wall of each group of the discharge pipes (26). The two groups of electric valves (27) are located below the esterification kettle (1).

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